Speedlight
n. 闪光管, 频闪放电管
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
People are always changing, aren't they?
人总是在变，不是吗？
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，